The DIY Cable Back Up increases the load capacity of a DIY Treehouse Attachment Bolt. It also functions to keep the TAB level under heavier loading. This back up system is used when obstacles above do not prevent installation.
Custom Hook Nut
3/4" x 5" Lag Screw
*DIY TAB sold separately.
We strongly recommend backing up every DIY TAB with either a Cable Back Up or Strut Back Up.